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(UA) United Airlines 4042 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
90%
Late
0
0%
Very Late
0
0%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
2
Codeshares
20
Average Delay (min.)
297
Standard Deviation
318.2
Min
0
Max
522

UA 4042 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 90%
Average Delay Time 297 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 297 min
This flight has an average delay of 297 minutes with a standard deviation of 318.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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